EnviroPro Combustion & Waste Heat Recovery Solutions
We Represent
Callidus Technologies

Tulsa based, Callidus Technologies is a Honeywell International company that specializes in the design and fabrication of combustion and environmental equipment. Its principal products are custom designed gas flares, gas/liquid thermal oxidizers, fired heater burners, and vapor combustion units. Callidus equipment can be found all over the world operating in:

  • Oil Refineries
  • Ethylene Plants
  • Chemical/Petrochemical Plants
  • LNG Facilities
  • Oil & Gas Production/Processing
  • Offshore Platforms

Callidus is a combustion and environmental technology leader. At its three hundred acre manufacturing and test facility, Callidus scientists and engineers have developed significant advancements in burner NOx reduction, HRVOC destruction, and smokeless flaring. Below is a list of some of the equipment we can provide through our relationship with Callidus:


  • Next Generation Ultra Low NOx
  • Thermal Oxidizer Burners
  • Premix Wall Burners
  • Burner Pilots

Flare Systems

  • Pipe Flares
  • Upper Steam Flares
  • Inner Steam Flares
  • Air Assisted Flares
  • MultiPoint Ground Flares
  • Totally Enclosed Ground Flares
  • Purge Reduction Devices
  • Liquid Seals & Knockout Pots
  • Pilots & Ignition Systems

Thermal Oxidizers

  • Fume Thermal Oxidizers
  • Liquids/Solids Thermal Oxidizers
  • Sulfur Tail Gas Thermal Oxidizers
  • Halogenated Waste Thermal Oxidizers


  • Simple Cycle Gas Turbine SCRs
  • Revamp Existing Simple Cycle SCRs

Contact EnviroPro to learn more about Callidus and the products and services they offer!

Callidus Callidus Callidus

Jack HornsbyJack Hornsby, Jr., PE
Main: 281-236-5029

Austin HornsbyAustin Hornsby
Main: 832-526-9333

Jarrett HornsbyJarrett Hornsby, EIT
Main: 210-900-0088

Julie HornsbyJulie Hornsby
Main: 281-236-5029